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Top Rated Load Testing Software with Free

Last updated: September 2026

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13 software options

PFLB logo

Load Testing Platform for Web Apps & APIs

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PFLB is a performance testing company. Bring your own testers and use our platform, or hand us the whole engagement.

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k6.io logo

Automated and on-demand performance testing for developers.

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Load Impact is the cloud-based load testing software, mobile app and API developers worldwide. It is used to determine your maximum capacity to understand which components fail first, its order and nature of failure. It allows load, stress and endurance testing of websites, mobile apps and APIs.

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Gatling Enterprise logo

Load & performance testing tool for DevOps

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Gatling Enterprise is a load & performance testing tool designed to help DevOps measure & maintain web application performance through automation tools. The web interface allows users to manage the entire testing lifecycle, from parametrization & execution to reporting & administration.

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Loader.io logo

Load testing and tracking application

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Loader is a performance management and data analytics platform that assesses data feeds and simplifies information into graphs and charts to inspect server performances. It provides a centralized dashboard to manage feeds. All data is accessible via the online Loader login so you can view reports.

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BrowserStack logo

Cloud-based software testing platform for all teams

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BrowserStack is a cloud-based testing platform giving dev and QA teams access to 3,500+ browsers, 35,000+ real devices, and automated.

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LoadView logo

Load testing software for web application, API, and website

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LoadView is a cloud-based load testing software designed to help developers manage load testing for websites, APIs, web applications, streaming media, third-party services, and more via a unified portal. The application utilizes Azure cloud and Amazon Web Services (AWS) to allow DevOps teams to build and run custom tests using concurrent connections and different browsers like Chrome, Mozilla Firefox, Microsoft Edge, and more.

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TestingWhiz logo

Robust 360-degree test automation platform for Agile teams

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TestingWhiz is a completely codeless functional test automation tool for your Web, API (REST, SOAP & GraphQL), Mobile (Android & iOS), Cloud, Database and SAP applications.

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BlazeMeter logo

Any test. Any device. App quality without limits.

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The industry's most comprehensive and scalable cloud-based load testing solution for any application architecture – from monoliths to microservices to serverless. Siimulate real-world user scenarios at unprecedented scale, replicating peak traffic conditions with millions of concurrent virtual users

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Loadium logo

Application performance testing software

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Loadium is a performance testing software designed to help businesses create and run automated, scalable load tests on websites and web apps. The platform enables administrators can run through different scenarios with different user groups and implement advanced performance metrics analysis of application response times.

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Octoperf logo

User friendly JMeter performance testing platform

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OctoPerf is a performance testing platform that bridges Apache JMeter with enterprise-level capabilities. The solution offers both cloud-based and on-premise deployment options, featuring an intuitive interface designed for teams of all skill levels. OctoPerf provides real-time insights through its advanced results engine while supporting CI/CD integration for automated testing workflows.

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RedLine13 logo

Load testing platform to monitor application performance

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RedLine13 is a cloud-based load testing tool, which helps businesses determine the performance of web pages, URLs, and API endpoints with an increase in the number of users or visitors. Features include data backup, clone testing, percentile results, and load agent tagging.

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AppLoader logo

Automated performance testing for Citrix & EHR apps

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AppLoader enables load & performance testing from the user perspective for software quality assurance of even the most complex application environment

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SmartMeter.io logo
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Load & performance testing tool for creating test scenarios

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SmartMeter.io is a load and performance testing software designed to help businesses create custom test scenarios using the JMeter interface. It offers an electron script recorder, which enables IT professionals to automatically design test scripts for web applications by capturing HTTP traffic.

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